:root {
  /* Light theme colors */
  --bg-primary: #f5f5f5;
  --bg-secondary: #fff;
  --bg-tertiary: #f8f9fa;
  --text-primary: #333;
  --text-secondary: #666;
  --text-muted: #999;
  --border-color: #e9ecef;
  --border-light: #ddd;
  --shadow: rgba(0, 0, 0, 0.1);
  --accent-primary: #007bff;
  --accent-primary-hover: #0056b3;
  --accent-danger: #dc3545;
  --accent-danger-hover: #c82333;
  --accent-secondary: #6c757d;
  --accent-secondary-hover: #545b62;
  --success-bg: #d4edda;
  --success-text: #155724;
  --error-bg: #f8d7da;
  --error-text: #721c24;
}

[data-theme="dark"] {
  /* Dark theme colors */
  --bg-primary: #1a1a1a;
  --bg-secondary: #2d2d2d;
  --bg-tertiary: #3a3a3a;
  --text-primary: #e0e0e0;
  --text-secondary: #b0b0b0;
  --text-muted: #888;
  --border-color: #444;
  --border-light: #555;
  --shadow: rgba(0, 0, 0, 0.3);
  --accent-primary: #4dabf7;
  --accent-primary-hover: #339af0;
  --accent-danger: #f03e3e;
  --accent-danger-hover: #e03131;
  --accent-secondary: #868e96;
  --accent-secondary-hover: #adb5bd;
  --success-bg: #2b5a3b;
  --success-text: #a3d9a5;
  --error-bg: #5a2b2b;
  --error-text: #f1aeb5;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.header {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px var(--shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.header-text {
  flex: 1;
}

.title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 4px;
}

.credit {
  font-size: 11px;
  color: var(--text-muted);
  font-style: italic;
  transition: color 0.3s ease;
}

.theme-toggle {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 20px;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.theme-toggle:hover {
  transform: scale(1.1);
  background: var(--accent-primary);
  color: white;
}

.tabs {
  display: flex;
  background-color: var(--bg-secondary);
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px var(--shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.tab {
  flex: 1;
  padding: 15px 20px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.2s;
}

.tab:first-child {
  border-radius: 8px 0 0 8px;
}

.tab:last-child {
  border-radius: 0 8px 8px 0;
}

.tab.active {
  background-color: var(--accent-primary);
  color: white;
}

.tab:hover:not(.active) {
  background-color: var(--bg-tertiary);
}

.content {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 2px 4px var(--shadow);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.table th,
.table td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  transition: border-color 0.3s ease;
}

.table th {
  background-color: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
  transition: background-color 0.3s ease;
}

.table tr:hover {
  background-color: var(--bg-tertiary);
  transition: background-color 0.3s ease;
}

.btn {
  display: inline-block;
  padding: 8px 16px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
  transition: background-color 0.2s;
}

.btn-primary {
  background-color: var(--accent-primary);
  color: white;
}

.btn-primary:hover {
  background-color: var(--accent-primary-hover);
}

.btn-danger {
  background-color: var(--accent-danger);
  color: white;
}

.btn-danger:hover {
  background-color: var(--accent-danger-hover);
}

.btn-secondary {
  background-color: var(--accent-secondary);
  color: white;
}

.btn-secondary:hover {
  background-color: var(--accent-secondary-hover);
}

.form-group {
  margin-bottom: 15px;
}

.form-label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 14px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.25);
}

.audio-player {
  width: 100%;
  margin: 10px 0;
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.error {
  background-color: var(--error-bg);
  color: var(--error-text);
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.success {
  background-color: var(--success-bg);
  color: var(--success-text);
  padding: 10px;
  border-radius: 4px;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.empty-state {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
}

.feed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin-bottom: 10px;
  background-color: var(--bg-secondary);
  transition: all 0.3s ease;
}

.feed-info {
  flex: 1;
}

.feed-title {
  font-weight: 500;
  margin-bottom: 4px;
}

.feed-url {
  color: var(--text-secondary);
  font-size: 14px;
}

.feed-actions {
  display: flex;
  gap: 10px;
}

/* Feed management specific styles */
.feed-manager {
  max-width: 800px;
  margin: 0 auto;
}

.feed-section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--bg-tertiary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.feed-section h2 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
}

/* RSS Endpoints specific styles */
.rss-endpoints {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.rss-endpoints-header {
  text-align: center;
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-radius: 12px;
}

.rss-endpoints-header h1 {
  margin: 0 0 0.5rem 0;
  font-size: 2rem;
  font-weight: 700;
}

.rss-endpoints-header p {
  margin: 0;
  opacity: 0.9;
  font-size: 1.1rem;
}

.rss-section {
  margin-bottom: 3rem;
}

.rss-section h2 {
  margin: 0 0 1.5rem 0;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  border-bottom: 2px solid var(--accent-primary);
  padding-bottom: 0.5rem;
}

.rss-endpoints-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1.5rem;
}

.rss-endpoint-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 2px 8px var(--shadow);
  transition: all 0.2s ease;
  position: relative;
}

.rss-endpoint-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  transform: translateY(-2px);
}

.rss-endpoint-card.main-feed {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  color: white;
  border: none;
}

.rss-endpoint-card.main-feed .endpoint-header h3 {
  color: white;
}

.rss-endpoint-card.main-feed .endpoint-description {
  color: rgba(255, 255, 255, 0.9);
}

.endpoint-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.endpoint-header h3 {
  margin: 0;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 600;
  flex: 1;
  min-width: 200px;
}

.endpoint-badges {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.endpoint-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.endpoint-badge.main {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.endpoint-badge.category {
  background: #e3f2fd;
  color: #1976d2;
}

.endpoint-badge.feed {
  background: #f3e5f5;
  color: #7b1fa2;
}

.endpoint-badge.category-tag {
  background: #e8f5e8;
  color: #2e7d32;
}

.endpoint-description {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.endpoint-url {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  transition: all 0.3s ease;
}

.rss-endpoint-card.main-feed .endpoint-url {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.endpoint-url code {
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
  font-size: 0.9rem;
  word-break: break-all;
  flex: 1;
  min-width: 200px;
}

.rss-endpoint-card.main-feed .endpoint-url code {
  color: rgba(255, 255, 255, 0.9);
}

.endpoint-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.copy-btn,
.open-btn {
  background: var(--accent-primary);
  color: white;
  border: none;
  border-radius: 6px;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.copy-btn:hover,
.open-btn:hover {
  background: var(--accent-primary-hover);
  transform: scale(1.05);
}

.copy-btn.copied {
  background: #27ae60;
}

.rss-endpoint-card.main-feed .copy-btn,
.rss-endpoint-card.main-feed .open-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.rss-endpoint-card.main-feed .copy-btn:hover,
.rss-endpoint-card.main-feed .open-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

.rss-endpoint-card.main-feed .copy-btn.copied {
  background: rgba(39, 174, 96, 0.8);
}

.usage-info {
  background: var(--bg-tertiary);
  border-radius: 12px;
  padding: 2rem;
  margin-top: 3rem;
  transition: background-color 0.3s ease;
}

.usage-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.usage-card {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 2px 4px var(--shadow);
  transition: all 0.3s ease;
}

.usage-card h3 {
  margin: 0 0 1rem 0;
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
}

.usage-card p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .rss-endpoints {
    padding: 0.5rem;
  }

  .rss-endpoints-grid {
    grid-template-columns: 1fr;
  }

  .endpoint-url {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .endpoint-url code {
    min-width: unset;
    text-align: center;
  }

  .endpoint-actions {
    justify-content: center;
  }

  .usage-cards {
    grid-template-columns: 1fr;
  }
}

/* Additional form elements */
select {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  transition: all 0.3s ease;
}

select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.25);
}

/* Links */
a {
  color: var(--accent-primary);
  transition: color 0.3s ease;
}

a:hover {
  color: var(--accent-primary-hover);
}

/* Form labels */
.form-label {
  color: var(--text-primary);
}

/* Tab text color for better readability */
.tab {
  color: var(--text-primary);
  transition: all 0.3s ease;
}

/* Component-specific styles for better dark theme support */
.episode-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

.episode-title {
  color: var(--text-primary);
}

.episode-meta {
  display: flex;
  gap: 10px;
  align-items: center;
}

.episode-meta-text {
  font-size: 12px;
  color: var(--text-secondary);
}

.episode-search-bar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.episode-search-input {
  flex: 1;
  min-width: 200px;
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.episode-search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.25);
}

.episode-category-select {
  padding: 8px 12px;
  font-size: 14px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  min-width: 120px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.episode-category-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(77, 171, 247, 0.25);
}

.episode-actions {
  display: flex;
  gap: 8px;
  flex-direction: column;
}

.episode-action-buttons {
  display: flex;
  gap: 8px;
}

.episode-link {
  text-decoration: none;
  color: var(--accent-primary);
  transition: color 0.3s ease;
}

.episode-link:hover {
  color: var(--accent-primary-hover);
}

.episode-feed-info {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.episode-article-info {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.episode-article-link {
  font-size: 12px;
  color: var(--text-secondary);
}

.episode-description {
  font-size: 14px;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-primary);
}

.episode-file-size {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.pagination-container {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.pagination-pages {
  display: flex;
  gap: 5px;
  align-items: center;
}

.pagination-page-btn {
  min-width: 40px;
}

.pagination-size-selector {
  margin-left: 20px;
  display: flex;
  align-items: center;
  gap: 5px;
}

.pagination-size-select {
  padding: 4px 8px;
  font-size: 14px;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  transition: all 0.3s ease;
}